PM85947: ABEND04E DSNB5PCO RC00C20221

A fix is available

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APAR status

  • Closed as program error.

Error description

  • DBS4,ABND=04E-00C20221,U=SYSOPR  ,M=(N),C=910.BMC
    -DSNB5PCO,M=DSNTFRCV,LOC=DSNBBM  .DSNB5PCO+5A18
    The error occurs during rebuild for token WPHTOKCN.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: DB2 data sharing users.                      *
    ****************************************************************
    * PROBLEM DESCRIPTION: ABEND04E RC00C20221 in DSNB5PCO.        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    If a pageset castout is processing a long list of pages, there
    is a processing loop in which it is not serialized with a GBP
    rebuild except for the first time through.  Therefore there is a
    timing window in which a GBP rebuild can invalidate the connect
    token being used by the castout, resulting in an ABEND04E
    RC00C20221 in DSNB5PCO.
    Additional symptoms: RC00C20223 DSNB5ULK +0C70
    Dump Title: DBW4,ABND=04E-00C20223,U=SYSOPR  ,M=N  ,C=101.BMC
                 -DSNB5PCO,M=DSNTFRCV,LOC=DSNIDM  .DSNB5ULK+0C70
    

Problem conclusion

  • The castout logic has been modified to ensure that the read-for-
    castout process is always serialized with a GBP rebuild.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM85947

  • Reported component name

    DB2 OS/390 & Z/

  • Reported component ID

    5740XYR00

  • Reported release

    910

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-03-29

  • Closed date

    2013-05-02

  • Last modified date

    2014-02-20

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

    UK94024 UK94025

Modules/Macros

  •    DSNB5PCO DSNB5ULK
    

Fix information

  • Fixed component name

    DB2 OS/390 & Z/

  • Fixed component ID

    5740XYR00

Applicable component levels

  • RA10 PSY UK94024

       UP13/05/21 P F305

  • R910 PSY UK94025

       UP13/05/21 P F305

Fix is available

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Document information


More support for:

DB2 for z/OS

Software version:

910

Reference #:

PM85947

Modified date:

2014-02-20

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